Cooking oils are daily necessities used in all over the world and different types of oilseeds are grown at everywhere. Besides food purpose, vegetable oil is also the source of bio-diesel, the new enviorenmental friendly fuel.

Oil press section applies physical force to press and squeeze oil content from oil rich seeds. The main equipment is screw press, in which pre-treated material are spirally pushed through hardened worm-cage chamber to squeeze oil out. The assisting procedures involve seeds cleaning, crushing, softening, flaking and steam frying. The crude oil is sent to the refinery after rough filtering. The by-products of oil press are cake and soap residue. Cake could be used as animal food and soap residue is the source material for laundry soap and washing detergent. The oil content remained in cake could be managed between 6% and 9% according to working condition and seeds characteristics.